A cellular network or mobile network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station. In a cellular network, each cell uses a different set of frequencies from neighboring cells, to avoid ...

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18 views

Traffic logs on android

Very noob question here, but I was wondering if there is a simple way to look at how much traffic I've sent or received on android (not rooted, no specialist apps installed for it). I burned through ...
0
votes
1answer
19 views

How can I record mobile network traffic?

I need to record edge/3g mobile traffic in pcap file. I can't find any working app for this. How can I do this? Samsung Galaxy s3, root, cyanogenmod11.
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0answers
26 views

How to reset network settings on android?

I recently reset my phone to factory settings and now i am having network issues,I can't make or receive calls even when signal of my sim are full,only occasionally i can do it.Its not a problem of ...
1
vote
1answer
34 views

What range of tcp buffer size do you suggest for slow and fast networks?

If you search the net, you come across with ranges like these that claim would enhance your net throughput: net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960 ...
-1
votes
0answers
27 views

How does RMNET work and why don't I see a “10s” address in ifconfig

I was poking around my rooted HTC M9 and I noticed when running a busybox ifconfig that I had only two main interfaces, rmnet_data0 and rmnet_ipa0. rmnet_data0 had a single public IP address on it. ...
1
vote
0answers
37 views

How to lock network operator or to never go on roaming, or get out of roaming as soon as possible

I work really close to a country border, and I do NOT want my phone to connect to other operators than mine. Sometimes the operator from my home country will be unavailable for a brief period of ...
1
vote
2answers
31 views

Can Telegram notifications be disabled?

Can you disable Telegram notifications somehow? I am seeing a huge battery consumption since last few weeks and after upgrading to Android 5.0.2. After one day of use battery app is reporting that ...
1
vote
0answers
27 views

How does Android perform Data-Wifi Switch

I am trying to learn from Android source on Data-Wifi automatic switch. The closest I can get is DataCommand and WifiCommand, they seem to switch network preference (through ConnectivityManager), by ...
0
votes
0answers
32 views

Moto G 2nd Gen can't connect to the Internet when switching from 3G to 2G

I got a new Moto g2.When using the device with 3G, it works great. But when I switch to a 2G network, the internet connect stops working after a few seconds. Why is this happening?
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votes
1answer
50 views

Network App Restriction

I recently bought a japanese cellphone (Fujitsu F-06e NX). It came with some really cool apps but most of them have limited functionality due to network work restrictions (Phone must be on docomo ntt ...
0
votes
1answer
20 views

How to lock android sim network?

I want to manually lock the android sim card network is that possible and how to do it?
0
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0answers
20 views

Can I connect Wi fi and 4G at the same time for different things [duplicate]

Is it posible to receive via WiFi data( only receive not send) to transmit later via 4G to internet Is not like hot spot(though maybe this is the name ) I just want to conect a wifi card or any ...
1
vote
0answers
56 views

How can I keep my mobile data connection up when establishing a non-internet capable WiFi connection?

I'm using a Raspberry Pi to stream music wirelessly inside my car. The Pi has a wireless network without real a exit to the outside world. I want to connect to that 'internet-less' network and still ...
0
votes
0answers
78 views

How to diagnose network connection issues?

My phone never connects to the 4G network, despite me being on a 4G plan (it at most connects to H+) and very frequently it'll lose the connection - can't use mobile data, receive SMSs or make phone ...
0
votes
0answers
49 views

ZTE Blade G lux - no network

I have a problem with my brand new ZTE Blade G lux. I bought it from Mexico (from authorized distributor, so that shouldn't be the problem) and it worked well with my mexican sim. When I got back home ...
0
votes
0answers
33 views

How to use mobile data just for one application when connected to a specific WiFi network?

My company offer a open wifi, but its proxy blocks one of my application data (Whatsapp). I'd like to use wifi to all apps with only one exception (Whatsapp). My phone is not rooted (Galaxy Note 4). ...
0
votes
0answers
25 views

Automatic Network Searching

In motog2 I am unable to but my phone on automatic network searching when I am in roaming the phone is unable to search the network automatically please help
0
votes
0answers
21 views

Will Micromax A1 work with a US SIM card

I have a Micromax Canvas A1, model No. AQ4501, Android Version 4.4.4 with Connectivity as follows. Can I get a SIM card in the US that will work on this mobile? Does WCDMA work in the US? Frequency ...
0
votes
0answers
119 views

Checking for SIM card defects

Short question: How can I obtain detailed information about my SIM card, using Android apps and/or adb (possibly root)? I'd like to diagnose mobile data connection problems possibly caused by SIM ...
0
votes
0answers
93 views

Configuring ssh reverse tunneling on Android 5.0 installed on the Nexus 10

I'm connected to the campus of my university and I know for sure that there is a firewall that blocks a lot of ports and the server does not support the IP forwarding and for this reason I can't give ...
0
votes
0answers
87 views

Disable automatic network operator switch

I have a dualSIM phone with Android 2.3.5. The problem is that it automatically changes the network operator instead of warning me that there is no service. I was selected the operator with "Search ...
1
vote
0answers
39 views

Changing the default ports for an application

I have to use a public WiFi service that blocks a number of ports related to online games (Clash of Clans mostly). On a pc this wouldn't be a problem to get around, on a phone though, I'm not so sure. ...
1
vote
0answers
732 views

Lollipop update on MotoG causing no service for sim card

I was using Moto G(1st gen) phone for the past 1 year. I was using 2 sims and I didnt face any problem for 1 year. After getting lollipop update, I frequently get 'no service' for one of my sim. ...
12
votes
2answers
4k views

How to disable captive portal detection? How to remove exclamation mark on Wi-Fi or signal icon in lollipop?

When connected to the Internet, the system checks if it's in a walled garden, which is simply trying to connect to google. If it fails, in Android 5, there'll be an exclamation mark on the wifi icon ...
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votes
0answers
57 views

Nexus 5 - Network/Antenna problem

I am using a Nexus 5 purchased from google and running lolipop OS on Wind network in Canada. Had the service running for 6 months without issues and suddenly it is unable to connect to the Wind ...
0
votes
0answers
25 views

find which app sync data in roaming

i am facing some issue in Nexus 5. In my phone some apps that used Mobile-Network for syncing the data in background but i don't know. Every 1 hour message is coming with data usage. But i don't ...
0
votes
1answer
223 views

metropcs ZTE no network and doesn't connect,

I recently had to factory reset my phone. Now when I put the SIM card in from my Huawei it won't connect to the carrier data network, it only works on WiFi.
0
votes
1answer
37 views

What happens to a call when the reciever is busy

I have a doubt. What happens if i call a person who has an android mobile and the person is speaking to someone else. Will the android mobile store my number in its recent calls or will it not recieve ...
1
vote
0answers
75 views

Network not changed from 3G to 2G on Xperia L

I am using Xperia L, If i used 3G connection in one place then i moved to other place if 3G connection is not available means my phone not changed to 2G connection, i set network setting mode is ...
1
vote
0answers
43 views

Change how a phone identifies itself on the network

I currently own a Nexus 5. My mobile carrier just now begun providing LTE, but my Nexus 5 apparently isn't in its "list of compatible devices". Is there a way for me to change how the network ...
1
vote
0answers
126 views

Installing CyanogenMod changed phone number, no voice service

A few days ago, I installed cyanogenmod on my phone (From here), and I noticed that my phone couldn't get or send calls or texts. When I went to Settings>About>Status, the phone number and MIN showed ...
4
votes
1answer
2k views

Android lollipop Nexus5 mobile network exclamation mark

I am using nexus5 and I have never had problems using mobile data network. Some days ago I updated to 5.0.1 and problems started occuring, exclamation mark on mobile network icon, internet stopped ...
1
vote
1answer
341 views

Limit download rate in android? [duplicate]

I have an irritating friend of mine who has evil eye on my unlimited data plan. I have a few time asked him to do his own recharge but he tends not to. It's so irritating when he asks to tether. Can ...
0
votes
0answers
154 views

Recovering lost or stolen phone (security and feasability considerations)?

I am trying to understand a little bit about security in case my phone goes stolen. I have read that even if a phone is stolen and the SIM card is removed, it can still be possible to find your phone ...
0
votes
1answer
129 views

Why am I not receiving network signals on a Samsung S3 T-999?

I just bought a Samsung S3 T-999. The problem is when I switch the cellphone on, it connects to my network but just for a second. The moment that second is gone, I lose signal completely. So it's not ...
0
votes
0answers
159 views

SIP an Android: How does it work, how do I set it up, and how do I use it?

I am running Android 4.3 Jelly Bean on a Samsung Galaxy SIII. I've seen various posts on this site and on the Internet concerning SIP (Session Initiation Protocol). I've read a little bit about this ...
0
votes
0answers
147 views

Why are my call settings disabled (and which settings require operator support and which settings are normally included in service plans)?

As shown in the screenshot below, on my Samsung Galaxy SIII, when I go to Phone -> Call Settings, almost everything is disabled/grayed out. I have a SIM card inside my phone but have not topped up ...
12
votes
2answers
12k views

What does the “Aggressive Wi-Fi to Cellular handover” option in Developer Settings do?

In Android Lollipop 5.0, I noticed that "Developer Options" features a checkbox for "Aggressive Wi-Fi to Cellular handover" that is unchecked by default. Does anybody know what this setting does and ...
0
votes
0answers
186 views

Call log not displaying missed call when Network Data reenabled?

Sometimes Network Data is off. This could happen because the user intentionally disables it for some purpose (such as to decrease exposure to radiation), or because the user is on a plane and when ...
0
votes
0answers
99 views

How to check for supported wireless network data protocols?

Is it possible to check which of the following wireless network protocols are supported on an Android device by installing an application rather than by checking the device's specifications on the ...
0
votes
0answers
88 views

Why is there Infinite UDP broadcast traffic on tethering my android phone to computer?

I have a android samsung galaxy chat b5330. When I connect it to my Ubuntu Linux computer using usb tethering, an infinite sequence of similar UDP traffic is noted by Wireshark. The summary of the ...
0
votes
0answers
127 views

Some applications on my xperia z1 mobile won't be able to use internet over Mobile data where the other apps use it normally

Some applications on my xperia z1 mobile won't be able to use internet over Mobile data where the other apps use it normally. For example I can't use "Facebook" neither "Gmail " where I can use ...
0
votes
0answers
82 views

not registered on network and seems the imei is changed

I have an international version of galaxy s3 gt i9300 it had android 4.0.4 working fine when i bought it(second hand) then i upgraded it to 4.3. Since then it performs as a normal device would but can ...
0
votes
1answer
228 views

Use 2G instead of 3G on Samsung Galaxy SL I9003

I have a Samsung Galaxy SL I9003 mobile phone. I prefer to use 2G data connection instead of 3G but I am unable to turn off the 3G service in my phone. How can I turn off the 3G service and use 2G ...
1
vote
0answers
220 views

How can I change preferred network type through a script (or terminal command)

I'm currently attempting to create a workaround for a problem that is plaguing a ROM that I'm using. While my phone and ROM are capable of using LTE, and use it perfectly fine, the "preferred network ...
0
votes
1answer
100 views

How to Switch from 4G to 3G Galaxy Epic 4G SPH-D710?

I have received Galaxy S2 Epic 4G SPH-D710 unfortunately, 4G connection is not available where I live Just only 3G is available. When I turn on 4G hopefully It maybe switch to 3G automatically I get ...
0
votes
0answers
46 views

networking problem in huawei and phone often disconnect

my maxis network/bars often disconnect. anything wrong with the phone? I have tried to format but still the same.
0
votes
0answers
24 views

Force Galaxy Nexus to always login to one network

My (Polish, Play) carrier has signed internal agreements with probably all of top carriers in my country. This allows their SIM cards to login and us both mother network and all other networks ...
0
votes
1answer
158 views

Moto G 2014: Maximum upload speed?

According to specs the 2nd gen. Moto G has network support for: GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz) UMTS/HSPA+ up to 21 Mbps (850, 1700 (AWS), 1900 MHz) What's the actual maximum upload speed?
0
votes
0answers
164 views

Samsung Galaxy disconnected from network

My GTS5300 Samsung galaxy shows mobile network disconnected. How do I connect? What are the settings?